HP G72-b54NR HP G72 Notebook PC - Maintenance and Service Guide - Page 75
USB board
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USB board Description USB board Spare part number 616494-001 Before removing the USB board: 1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn on the computer, and then shut it down through the operating system. 2. Disconnect all external devices connected to the computer. 3. Disconnect the power from the computer by first disconnecting the power cord from the AC outlet and then disconnecting the AC adapter from the computer. 4. Remove the battery (see Battery on page 42). 5. Remove the following components: a. Hard drive (see Hard drive on page 43) b. Optical drive (see Optical drive on page 46) c. Keyboard (see Keyboard on page 54) d. Top cover (see Top cover on page 57) Remove the USB board: 1. Position the computer upright with the right side toward you. 2. Disconnect the USB board cable (1) from the system board. 3. Remove the Phillips PM2.5×6.0 screw (2) that secures the USB board to the base enclosure. 4. Lift the USB board (3) straight up to remove it from the computer. The USB cable is available with the cable kit using spare part number 616502-001 ENWW Component replacement procedures 65